voidとは

意味・読み方・使い方

語源 1

From Middle English voide, voyde, from Old French vuit, voide, vuide (modern vide), in turn from a Vulgar Latin *vocitus, related to Latin vacuus (“empty”).

形容詞

void (not comparable)

1. Containing nothing; empty; vacant; not occupied; not filled.
   • Bible, Genesis i. 2

     The earth was without form, and void.

   • 1599, William Shakespeare, “The Tragedie of Ivlivs Cæsar”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: Printed by Isaac Iaggard, and Ed[ward] Blount, published 1623, OCLC 606515358, [Act II, scene iv]:

     I'll get me to a place more void.

   • (Can we date this quote by Massinger かつ provide title, author's full name, かつ other details?)

     I'll chain him in my study, that, at void hours, / I may run over the story of his country.

2. Having no incumbent; unoccupied; said of offices etc.
   • (Can we date this quote by Camden かつ provide title, author's full name, かつ other details?)

     divers great offices that had been long void

3. Being without; destitute; devoid.
   • Bible, Proverbs xi. 12

     He that is void of wisdom despiseth his neighbor.

4. Not producing any effect; ineffectual; vain.
   • Bible, Isa. lv. 11

     [My word] shall not return to me void, but it shall accomplish that which I please.

   • Bible, Jer. xix. 7

     I will make void the counsel of Judah.

5. Of no legal force or effect, incapable of confirmation or ratification.

   null and void

6. Containing no immaterial quality; destitute of mind or soul.
   • 1728, Pope, Alexander, “Book II”, in The Dunciad; republished in The Complete Poetical Works of Alexander Pope, Boston, New York: Houghton, Mifflin and Company, 1902, page 231:

     And senseless words she gave, and sounding strain, / But senseless, lifeless! idol void and vain!

7. (computing, programming, of a function または method) That does not return a value.
   • 2005, Craig Larman, Applying UML and patterns:

     In particular, the roll method is void — it has no return value.

   • 2007, Andrew Krause, Foundations of GTK+ Development:

     The return value can safely be ignored if it is a void function.

名詞

void (複数形 voids)

1. An empty space; a vacuum.

   Nobody has crossed the void since one man died trying three hundred years ago; it's high time we had another go.

   • 1711, Pope, Alexander, “Part II”, in An Essay on Criticism, lines 9–10; republished in The Complete Poetical Works of Alexander Pope, Boston, New York: Houghton, Mifflin and Company, 1902, page 70:

     Pride, where Wit fails, steps in to our defence, / And fills up all the mighty void of Sense.

2. (astronomy) An extended region of space containing no galaxies
3. (materials science) A collection of adjacent vacancies inside a crystal lattice.
4. (fluid mechanics) A pocket of vapour inside a fluid flow, created by cavitation.
5. (construction) An empty space between floors or walls, including false separations and planned gaps between a building and its facade.

同意語

• ((engineering) collection of vacancies): pore
• ((engineering) pocket of vapour in fluid): bubble

下位語

• ((astronomy) An extended region of space containing no galaxies): Local Void

動詞

void (三人称単数 現在形 voids, 現在分詞 voiding, 過去形および過去分詞形 voided)

1. (transitive) To make invalid or worthless.

   He voided the check and returned it.

   • (Can we date this quote by Clarendon かつ provide title, author's full name, かつ other details?)

     It was become a practice […] to void the security that was at any time given for money so borrowed.

   • (Can we date this quote by Bishop Burnet かつ provide title, author's full name, かつ other details?)

     after they had voided the obligation of the oath he had taken

2. (transitive, medicine) To empty.

   void one’s bowels

3. To throw or send out; to evacuate; to emit; to discharge.

   to void excrement

   • c. 1596–1598, William Shakespeare, “The Merchant of Venice”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: Printed by Isaac Iaggard, and Ed[ward] Blount, published 1623, OCLC 606515358, (please specify the act number in uppercase Roman numerals):

     You, that did void your rheum upon my beard, And foot me as you spurn a stranger cur

   • (Can we date this quote by John Webster かつ provide title, author's full name, かつ other details?)

     With shovel, like a fury, voided out / The earth and scattered bones.

   • (Can we date this quote by Isaac Barrow かつ provide title, author's full name, かつ other details?)

     a watchful application of mind in voiding prejudices

4. (intransitive, obsolete) To withdraw, depart.
   • 1485, Sir Thomas Malory, chapter xvj, in Le Morte Darthur, book I:

     BY than come in to the feld kynge Ban as fyers as a lyon […] / Ha a said kyng Lot we must be discomfyte / for yonder I see the moste valyaunt knyght of the world / and the man of the most renoume / for suche ij bretheren as is kyng Ban & kyng bors ar not lyuynge / wherfore we must nedes voyde or deye

5. (transitive, obsolete) To remove the contents of; to make or leave vacant or empty; to quit; to leave.

   to void a table

   • 1394, Chaucer, “v. 1149”, in The Franklin's Tale‎^[1]:

     Somtyme a castel, al of lym and stoon; And whan hem lyked, voyded it anon.

   • 1599, William Shakespeare, “The Life of Henry the Fift”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: Printed by Isaac Iaggard, and Ed[ward] Blount, published 1623, OCLC 606515358, (please specify the act number in uppercase Roman numerals):

     If they will fight with us, bid them come down, / Or void the field.

同意語

• (make invalid または worthless): annul, cancel
• ((medicine) to empty): evacuate

語源 2

Alteration of voidee.

名詞

void (複数形 voids)

1. (now まれに, historical) A voidee. [from 15th c.]
   • 2011, Thomas Penn, Winter King, Penguin 2012, p. 68:

     Late on the final evening, as the customary ‘void’ – spiced wine and sweetmeats – was served, more elaborate disguisings in the great hall culminated in the release of a flock of white doves.

アナグラム

• Ovid, divo